99172040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 244632960

約数和(自身を除く): 145460920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 857, 1052, 1315, 1714, 2104, 2630, 2893, 3428, 4285, 5260, 5786, 6856, 8570, 9427, 10520, 11572, 14465, 17140, 18854, 23144, 28930, 34280, 37708, 47135, 57860, 75416, 94270, 115720, 188540, 225391, 377080, 450782, 901564, 1126955, 1803128, 2253910, 2479301, 4507820, 4958602, 9015640, 9917204, 12396505, 19834408, 24793010, 49586020, 99172040]

約数ペア:

[(1, 99172040), (2, 49586020), (4, 24793010), (5, 19834408), (8, 12396505), (10, 9917204), (11, 9015640), (20, 4958602), (22, 4507820), (40, 2479301), (44, 2253910), (55, 1803128), (88, 1126955), (110, 901564), (220, 450782), (263, 377080), (440, 225391), (526, 188540), (857, 115720), (1052, 94270), (1315, 75416), (1714, 57860), (2104, 47135), (2630, 37708), (2893, 34280), (3428, 28930), (4285, 23144), (5260, 18854), (5786, 17140), (6856, 14465), (8570, 11572), (9427, 10520)]